All Questions

0
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1answer
121 views

Comprehensive encyclopedia of nootropics for medical researchers and practitioners

Is there a clinically-researched and tested encyclopedia (or similar resource) covering all available nootropics currently known? The Wikipedia article was a helpful first stop; but I'm searching for ...
1
vote
1answer
36 views

Is there a psychometric tool for measuring the difficulty of mental activities?

It is often stated that Alzheimer's disease can be prevented to some extent when a person engages more often in challenging mental activities ...
3
votes
1answer
26 views

Are there any fMRI decoding papers examining the relationship between attentional cueing and activity in V1?

I'm interested in reading on the influence of exogenous attention on cortical representations in early visual areas, but so far my google-fu seems to be failing me. There seems to be some literature ...
2
votes
1answer
36 views

Finding consciousness through EEG

I've read an article about the consciousness in vegetative patients. Adrian Owen is one of the neuroscientist making research on this field. The article published on "Le scienze" was about the usage ...
2
votes
1answer
43 views

Is there a standard list of Default Answers which are used in Likert 'type' Scales

I have always had some trouble deciding what to use as the default answers when using Likert 'type' scales. Is there a default list of accepted answers to particular types of questions which are used ...
1
vote
0answers
18 views

How can I embed language proficiency assessment within an unrelated experiment design?

I'm in the process of designing a self-paced-reading & a grammaticality-judgment-task experiment, which should be performed by second language learners. It is crucial to the study is how the ...
3
votes
0answers
44 views

Neuropharmacology and Simulation

I've been wondering whether neural simulations have had applications in (cognitive)neuropharmacological research already. One always reads about the promise of the technology in helping us cure ...
3
votes
1answer
136 views

Why does munching sound unpleasant to most people?

When someone who eats food is munching, it sounds quite unpleasant for most of the people. What is the reason for this?
13
votes
5answers
2k views

Difference between parallel processing done by human brain and by computers

I am asking a question regarding parallel processing as done by billions of Neurons inside our brain and parallel processing done by our computers in a cluster for example or even on a Graphics ...
21
votes
6answers
2k views

What is the current “accepted” science behind dream interpretation?

I'm doing some casual reading about dream interpretation (meaning I'm reading the wikipedia entry) and the article mentions that there are several ways of thinking about dreams from a psychological ...
0
votes
1answer
26 views

Neural robots vs conventional robots

My friend is working on a robot that can be mind controlled. He basically wears a headset, and that headset translate brain signal into control signal to move a robot. ...
3
votes
0answers
41 views

Are innate intersubjectivity and theory of mind opposing theories or are they reconcilable?

What I get from Trevarthen's theory of innate intersubjectivity (2010) and the theory of theory of mind (Perner, 1999) is that they don't agree. A considerable number of studies in theory of mind ...
0
votes
1answer
34 views

How many action potentials from presynaptic neurons would be required to make a postsynaptic neuron fire?

I am looking for a rough estimation of the number of action potentials from other neurons required to cause a neuron to fire? I read here that a potential of ~ -55mv must be reached before an action ...
1
vote
2answers
43 views

What's a “mental disorder”?

Most people are held accountable for their actions. If diagnosed with a "mental disorder" however, they are often forgiven/treated more leniently and exempted from punishment. The same thing ...
1
vote
0answers
31 views

Has there been any serious research on subliminal messaging?

I certainly don't question the existence of subliminal perception which has been demonstrated many times in priming studies like those of Daniel Schacter and many others, nor do I reject the notion of ...
1
vote
1answer
43 views

What does double dissociation really tell us?

In psychological research, a single dissociation is when a manipulation leaves one cognitive function (say, A) intact whilst severing another (say, B). This indicates the functions A and B are at ...
2
votes
0answers
26 views

How to compute weights and bias for a McCulloch-Pitts neuron?

I am trying to learn how to manipulate McCulloch-Pitts neurons in order to determine their weights and bias based off of inputs. In this example I have inputs: x, y, z ∈ {−1,1} The neuron's output ...
10
votes
3answers
145 views

What kinds of information can (and cannot) be extracted from connectome?

Several scientific projects are trying to map the connectome, such as The Human Connectome Project. The connectomes of other organisms, such as C. elegans, have been mapped already. Having an ...
1
vote
1answer
48 views

Record an eye blinking waveform signal from EEG signals

I want to Record an eye blinking waveform signal from EEG signals , but it need to make a quiscent periods of recording , So how to make this quiescent periods(i.e the signal has a zero amplitude at ...
5
votes
0answers
46 views

How to compute auditory steady state responses?

Simple question: How does one usually go about computing an auditory steady state response (ASSR)? I have data where speech was amplitude modulated to a 40 Hz sine tone. There's 3.5 minutes of data; ...
1
vote
4answers
105 views

How is an emotion different from a thought or a sensation?

I don't know any good definition of emotion. I don't know what they really are, subjectively. I don't understand what makes an experience an emotion, as opposed to a thought or a sensation. What is ...
4
votes
0answers
89 views

Why do people avoid taking the last “donut”?

In many contexts (family, colleagues, etc), say there is a box of donuts for people to take (or any kind of treat or snack). A lot of the times we can observe that there will be only one left and ...
5
votes
1answer
34 views

What's the functional difference between the NEF and normal ANNs?

Aside from obvious biological plausibility, from a computational standpoint, what's the motivation of using the Neural Engineering Framework (NEF) instead of Artificial Neural Networks (ANNs) for ...
2
votes
2answers
117 views

What is the difference between social anxiety disorder and shyness?

It seems that there are similar symptoms shown by people who suffer social anxiety and shyness, but what is actually the main difference between them? Thank you.
0
votes
0answers
49 views

Is there a name for a personality trait (or psychological condition?) for adopting the accent, mannerisms, idioms or traits of others?

Is there a name for a personality trait (or psychological condition?) for adopting the accent, mannerisms, idioms or traits of others? I mean, unconsciously adopting, not "consciously making fun of". ...
2
votes
0answers
23 views

Is the SPAD-T textual analysis software still available?

I am looking for an old program called SPAD-T that is still used for textual analysis (especially in psychology). Can anybody tell me where I can download or purchase a legal copy? Failing that, ...
3
votes
1answer
89 views

Two different values for criterion in signal detection theory?

I'm a signal detection theory newbie. I have data with a classical SDT design: the participants can answer YES or NO to a question where the correct answer is YES or NO, depending on the presence or ...
9
votes
1answer
301 views

Fitting a psychometric function when data does not lend itself to a sigmoidal fit [pypsignifit]

I'm fitting a psychometric function to a range of data. The majority of this data lends itself to a sigmoidal fit (i.e. participants can do the task), but some individuals are absolutely unable to do ...
4
votes
0answers
36 views

Which statistical tests to use when analyzing NASA TLX?

The NASA Task Load Index (NASA-TLX) is a subjective, multidimensional assessment tool that rates perceived workload. A set of different scales (Mental Demand, Physical Demand, Temporal Demand, ...
0
votes
0answers
19 views

What are the different types of cognition?

I am not a cogsci person trying to get a basic understanding of cogsci. I have just heard of the terms embodied cognition and distributed cognition. Are there other kinds of cognition theories as ...
-1
votes
3answers
60 views
5
votes
3answers
170 views

Why does your recorded or objective voice sound different to what you hear in your own head?

When speaking, I hear my own voice very differently from how others do and from what it really is. The sound differs in tone, pitch, volume, etc. For example, recordings of my singing or speaking in ...
6
votes
3answers
129 views

How does the brain compute sound localisation without the equations?

What sort of computations are used for localising sound with the ears, and how does the brain compute the time difference between sounds reaching each ear? I am interested in the specific mechanisms ...
2
votes
1answer
56 views

Where in the brain is meaning extracted from visual information?

I am looking into several systems for improving learning speeds and ran into a question I seem unable to answer on my own: When we read a word, it somehow gets converted into it's abstract meaning. ...
8
votes
1answer
46 views

Spiking Neural Network Simulation: Measuring and Classifying Bump Attractor States

I am currently working with Spiking Neural Networks and multi-(meta)-stable attractor states. What I observe in my simulations are 'bump' attractors that appear, disappear, and may wander around. ...
5
votes
2answers
112 views

Inducing Auditory-to-Visual Synesthesia

I recently watched an interesting video that was discussing conveying color to the blind through language. It implied that there may be a way to insert the sensation of color into a person's mind via ...
6
votes
1answer
40 views

Number of presynaptic inputs per cell in primary visual cortex

I have been digging in the literature lately, but I haven't found a nice answer with clear cut numbers (avg +- std) to this question: How many presynaptic inputs receives a pyramidal cell in primary ...
0
votes
1answer
31 views

Are there any models of human cognition that do not depend on physicalism or materialism?

Are there any models of Human Cognition that do not depend on Physicalism or materialism? Could Cognition models that say 'mind' states are actually 'brain states' and that we are therefore ...
2
votes
1answer
71 views

Is there any scientific literature on the “shower principle” (i.e., taking a break from a task leads to unexpected insights)?

Folk cognitive psychology has it that doing activities that remove you from your intellectual work (such as taking a shower or, like Einstein is reported to have done when it a rut, playing the ...
3
votes
1answer
63 views

How do certain frequencies of sound induce psychological states?

As one example, a specific low frequency beyond our hearing perception can make people feel nauseous and even vomit. I'm sure there are more documented studies surrounding the correlation of auditory ...
8
votes
1answer
103 views

Why do dreams lose clarity quickly over time after we awaken?

Right after you wake up from a dream, you seem to be able to remember most if not all of the details. Then, over time, these details fade and often disappear. Is this a form of regression? Why is ...
2
votes
3answers
88 views

Neurological basis of selfishness?

Is there a neurological component to selfishness? Awhile back, I witnessed a mentally retarded person who was severely possessive of a water fountain, claiming it was "his". I've also seen ...
2
votes
2answers
76 views

What's the term for people who deny others' achievements?

I know a bunch of people that are always in deep denial (at least trying to appear so) of other people achievements. It can be another country or another group or another religion. For example, when ...
0
votes
0answers
9 views

How does performance relative to others affect motivation and absolute performance?

Suppose someone is given performance feedback relative to others, for example via a ranking procedure like a leaderboard. Is it best for later performance and motivation to receive feedback showing ...
0
votes
0answers
35 views

Does nearing sleep onset distort our conscious imagination?

My imagination is pretty real, when I imagine lifting my hand there, I instantaneously feel it. But I tried to imagine at night on the bed that I am diving in the ocean, and every time I dive 1-2 ...
43
votes
4answers
5k views

Does writing something down help memorize it?

This is a question inspired by this recent question on the Chinese Language & Usage website. Someone asked why they needed to learn how to write Chinese characters, since today we mostly use ...
1
vote
2answers
122 views

Why do people commit suicide?

I don't understand why people commit suicide. If I imagine myself in a really bad situation and make a list of what kind of things I would do in that situation, I don't have suicide even in my ...
1
vote
0answers
18 views

Differences between the many versions of neuromorphic hardware

There is a ton of neuromorhpic hardware being pumped out these days. Off the top of my head, I can name IBM, Qualcomm, Neurogrid, Spinnaker, (questionably) Peter van der Made's chip. However, has ...
6
votes
1answer
91 views

What are the negative effects of meditation?

I see lots of articles touting the benefits of meditation. But what are the bad things about it? Maybe if a person has to make quick decisions, meditation would not be a good thing? This could be ...
0
votes
3answers
89 views

Phenomena where group truly feels a certain way, but each member says that they feel the other way to avoid being the odd one out

I forgot the name, but I remember reading about it in lifehacker or i09 some time ago. When the group feels a certain way, but say that they feel the other way to avoid being the only one to agree. ...

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